WordPress开发手册:get_metadata()

函数原型

get_metadata( string $meta_type, int $object_id, string $meta_key = ”, bool $single = false ): mixed

函数描述

是否弃用

未弃用

函数参数

$meta_type
string
Required

Type of object metadata is for. Accepts 'post', 'comment', 'term', 'user', or any other object type with an associated meta table.

$object_id
int
Required

ID of the object metadata is for.

$meta_key
string
Optional

Metadata key. If not specified, retrieve all metadata for the specified object.

Default: ''

$single
bool
Optional

If true, return only the first value of the specified $meta_key.
This parameter has no effect if $meta_key is not specified.

Default: false

函数返回值

函数位置

函数源码

function get_metadata( $meta_type, $object_id, $meta_key = '', $single = false ) {
	$value = get_metadata_raw( $meta_type, $object_id, $meta_key, $single );
	if ( ! is_null( $value ) ) {
		return $value;
	}

	return get_metadata_default( $meta_type, $object_id, $meta_key, $single );
}

源码链接

WordPress
Github

变更日志